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White light emission from a single organic molecule with dual phosphorescence at room temperature

Author

Listed:
  • Zikai He

    (The Hong Kong University of Science and Technology
    HIT Campus of University Town of Shenzhen
    HKUST Shenzhen Research Institute)

  • Weijun Zhao

    (The Hong Kong University of Science and Technology
    HKUST Shenzhen Research Institute)

  • Jacky W. Y. Lam

    (The Hong Kong University of Science and Technology)

  • Qian Peng

    (Chinese Academy of Sciences)

  • Huili Ma

    (Tsinghua University)

  • Guodong Liang

    (Sun Yat-Sen University)

  • Zhigang Shuai

    (Tsinghua University)

  • Ben Zhong Tang

    (The Hong Kong University of Science and Technology
    HKUST Shenzhen Research Institute)

Abstract

The development of single molecule white light emitters is extremely challenging for pure phosphorescent metal-free system at room temperature. Here we report a single pure organic phosphor, namely 4-chlorobenzoyldibenzothiophene, emitting white room temperature phosphorescence with Commission Internationale de l’Éclair-age coordinates of (0.33, 0.35). Experimental and theoretical investigations reveal that the white light emission is emerged from dual phosphorescence, which emit from the first and second excited triplet states. We also demonstrate the validity of the strategy to achieve metal-free pure phosphorescent single molecule white light emitters by intrasystem mixing dual room temperature phosphorescence arising from the low- and high-lying triplet states.

Suggested Citation

  • Zikai He & Weijun Zhao & Jacky W. Y. Lam & Qian Peng & Huili Ma & Guodong Liang & Zhigang Shuai & Ben Zhong Tang, 2017. "White light emission from a single organic molecule with dual phosphorescence at room temperature," Nature Communications, Nature, vol. 8(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_s41467-017-00362-5
    DOI: 10.1038/s41467-017-00362-5
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    Cited by:

    1. Qingao Chen & Lunjun Qu & Hui Hou & Jiayue Huang & Chen Li & Ying Zhu & Yongkang Wang & Xiaohong Chen & Qian Zhou & Yan Yang & Chaolong Yang, 2024. "Long lifetimes white afterglow in slightly crosslinked polymer systems," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    2. Rongjuan Huang & Yunfei He & Juan Wang & Jindou Zou & Hailan Wang & Haodong Sun & Yuxin Xiao & Dexin Zheng & Jiani Ma & Tao Yu & Wei Huang, 2024. "Tunable afterglow for mechanical self-monitoring 3D printing structures," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    3. Weiwei Xie & Wenbin Huang & Jietai Li & Zikai He & Guangxi Huang & Bing Shi Li & Ben Zhong Tang, 2023. "Anti-Kasha triplet energy transfer and excitation wavelength dependent persistent luminescence from host-guest doping systems," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    4. Xinyu Zhang & Huiqing Liu & Guilin Zhuang & Shangfeng Yang & Pingwu Du, 2022. "An unexpected dual-emissive luminogen with tunable aggregation-induced emission and enhanced chiroptical property," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    5. Jianyu Zhang & Yujie Tu & Hanchen Shen & Jacky W. Y. Lam & Jianwei Sun & Haoke Zhang & Ben Zhong Tang, 2023. "Regulating the proximity effect of heterocycle-containing AIEgens," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    6. Jiuyang Li & Xun Li & Guangming Wang & Xuepu Wang & Minjian Wu & Jiahui Liu & Kaka Zhang, 2023. "A direct observation of up-converted room-temperature phosphorescence in an anti-Kasha dopant-matrix system," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    7. Xing Wang Liu & Weijun Zhao & Yue Wu & Zhengong Meng & Zikai He & Xin Qi & Yiran Ren & Zhen-Qiang Yu & Ben Zhong Tang, 2022. "Photo-thermo-induced room-temperature phosphorescence through solid-state molecular motion," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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